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零件编号
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AT89C1051U 查看數據表(PDF) - Atmel Corporation
零件编号
产品描述 (功能)
生产厂家
AT89C1051U
8-Bit Microcontroller with 1K Byte Flash
Atmel Corporation
AT89C1051U Datasheet PDF : 15 Pages
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AT89C1051U
Flash Programming Modes
Mode
Write Code Data
(1)(3)
RST/VPP
12V
Read Code Data
(1)
Write Lock
H
Bit - 1
12V
P3.2/PROG
H
P3.3
L
P3.4
H
P3.5
H
P3.7
H
L
L
H
H
H
H
H
H
Bit - 2
12V
H
H
L
L
Chip Erase
12V
(2)
H
L
L
L
Read Signature Byte
H
H
L
L
L
L
Notes:
1. The internal PEROM address counter is reset to 000H on the rising edge of RST and is advanced by a positive pulse at
XTAL1 pin.
2. Chip Erase requires a 10-ms PROG pulse.
3. P3.1 is pulled Low during programming to indicate RDY/BSY.
Figure 3.
Programming the Flash Memory
AT89C1051U
Figure 4.
Verifying the Flash Memory
AT89C1051U
PP
7
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